[CHORE] collect all tests before running pytest so check for import e…

…rrors (#2150)

.github/workflows/python-package.yml

@@ -89,6 +89,7 @@ jobs:
         # export CARGO_INCREMENTAL=1
         # cargo llvm-cov clean --workspace
         maturin develop
+        pytest --ignore tests/integration --collect-only -qq # run this to ensure no weird imports that result in `Collector` errors
         mkdir -p report-output && pytest --cov=daft --ignore tests/integration --durations=50
         coverage combine -a --data-file='.coverage' || true
         coverage xml -o ./report-output/coverage-${{ runner.os }}-${{ matrix.python-version }}-${{ matrix.daft-runner }}-${{ matrix.pyarrow-version }}.xml